The pantry is where Costco's institutional pricing generates the most compounding, most consistent, and most invisible savings of any food category. Not invisible in the sense that the savings don't exist — they are very real. Invisible in the sense that the member who shops Costco for pantry staples does not experience the savings as a single dramatic event but as the gradual accumulation of never running out of good olive oil, never paying $14 for a single jar of Rao's mari